Home / 13,297.50-18,350.52-7,329.12

Finding the Fourth Proportional to 13,297.50, 18,350.52 and 7,329.12

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Solution

The fourth proportional to 13,297.50, 18,350.52 and 7,329.12 is: 10,114.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.50 : 18,350.52 = 7,329.12 : x
  2. Step 2: Convert to fraction form
    13,297.50/18,350.52 = 7,329.12/x
  3. Step 3: Cross multiply
    13,297.50x = 18,350.52 × 7,329.12
  4. Step 4: Simplify right side
    13,297.50x = 134,493,163.14
  5. Step 5: Solve for x
    x = 134,493,163.14/13,297.50
  6. Step 6: Final answer
    x = 10,114.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.